Fossil specimen : SM A 11889 – Holotype
| Taxonomic Group |
Kingdom Animalia Phylum Arthropoda Class Trilobita Order Phacopida |
|---|---|
| Fossil Name | Sphaerexochus latirugatus Reed |
| Type Status | Holotype |
| Name History | Sphaerexochus latirugatus Reed: Holotype |
| Registration No. | A 11889 |
|---|---|
| Collector | Reed, F.R.C. 1895 |
| Donor or Associated Person | Name not available |
| Held By |
 Sedgwick Museum of Earth Sciences, University of Cambridge
|
| Comments |
| Country | England |
|---|---|
| Locality | Keisley, Westmorland, England |
| Grid Reference | Not available |
| Rock Unit | Keisley Limestone |
|---|---|
| Biozone | Not available |
| Geological Age |
Ashgill Series (Ordovician Period) (443.8 – 449 Ma B.P.) [Closest ICS interval: Late Ordovician Epoch ] |
| References | Reed, F.R.C. 1896. Quarterly Journal of the Geological Society of London vol. lii (1): p.423 pl. xx fig.12 |
|---|
Available Images
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Steroscopic photographs
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